Energy absorbing structure for improving the side impact resistance of automobile and automobile

Abstract

The utility model provides an energy absorbing structure and a car for improving the side impact resistance of a car, the energy absorbing structure comprising a door inner ring and an energy absorbing box of a side column of a car body; the energy absorbing box is fixedly installed in a cavity at the lower part of the door inner ring; the energy absorbing box is a box structure, and a cavity is formed inside; a plurality of energy absorbing box partitions are fixedly connected at intervals in the cavity of the energy absorbing box; in the scheme provided by the utility model, the energy absorbing box is fixedly installed in the cavity at the lower part of the door ring of the side column of the car body by spot welding, thereby improving the strength of the side column of the car body; a plurality of energy absorbing box partitions are arranged inside the energy absorbing box, thereby improving the resultant strength of the energy absorbing box; the scheme provided by the utility model can solve the problem of insufficient impact resistance strength of the side column of the car body and improve the commonality of automobile parts.

Description

Technical Field

[0001] The utility model belongs to the technical field of energy absorbing structures for improving the side impact resistance of automobiles, and in particular relates to an energy absorbing structure for improving the side impact resistance of automobiles and an automobile. Background Art

[0002] With the development of new energy vehicles, the safety standards for electric vehicles will become more stringent. In the vehicle EU test project, the car side column impact test is a must-test for collision. The test is carried out according to the European standard test procedure, driving the vehicle horizontally to the rigid column, so that the driver's side of the vehicle collides with the rigid column; the damage to the dummy is measured after the collision as a judgment of the collision; however, the battery packs of electric vehicles are currently designed with extreme boundaries, which reduces the gap between the threshold and the battery cell, greatly increasing the risk of the battery cell being squeezed in the car side column collision test. In a limited space, how to minimize the cost and weight while not squeezing the battery cell through structural design has posed a considerable challenge to engineers.

[0003] Based on the technical problems existing in the above-mentioned automobile side pillars, there is no relevant solution yet; therefore, it is urgent to find an effective solution to solve the above-mentioned problems. Utility Model Content

[0004] The purpose of the utility model is to address the deficiencies in the above-mentioned technologies and to propose an energy absorbing structure and a car that improves the side impact resistance of a car, aiming to solve the problem of the side impact resistance of existing cars.

[0005] The utility model provides an energy absorbing structure for improving the side impact resistance of an automobile, the energy absorbing structure comprising a door inner ring of a side column of a vehicle body and an energy absorbing box; the energy absorbing box is fixedly installed in a cavity at the lower part of the door inner ring; the energy absorbing box is a box structure, and a cavity is formed inside; a plurality of energy absorbing box partitions are fixedly connected at intervals in the cavity of the energy absorbing box.

[0006] Furthermore, the energy absorption box includes an energy absorption box body, which is a long metal box structure; an opening is formed on the bottom surface of the energy absorption box body; the side of the opening is bent to form an energy absorption box welding edge; the energy absorption box body is spot welded to the cavity at the lower part of the inner ring of the energy absorption box welding edge door.

[0007] Furthermore, the opening is a quadrilateral structure; the four sides of the opening are respectively bent to form energy absorption box welding edges, and the energy absorption box welding edges are parallel to the top surface of the energy absorption box body.

[0008] Furthermore, a sinking surface is formed on the top surface of the energy absorption box body; the sinking surface sinks into the cavity of the energy absorption box; the bottom surface of the energy absorption box partition is spot-welded to the inner surface of the sinking surface, and the two side surfaces of the energy absorption box partition are spot-welded to the two sides of the energy absorption box cavity respectively.

[0009] Furthermore, the energy absorption box partition includes a partition plane, which has a quadrilateral structure; the three sides of the partition plane are bent to the same side to form partition welding edges; the energy absorption box partition is spot-welded to the inner side surface of the sunken surface through the partition welding edge on its bottom surface, and the energy absorption box partition is spot-welded to the two side surfaces of the energy absorption box cavity through the partition welding edges on its left and right sides.

[0010] Furthermore, a planar sinking hole is integrally formed in the middle of the partition plane.

[0011] Furthermore, the partition welding edges on three sides of the partition plane are respectively perpendicular to the partition plane; and the partition plane is an isosceles trapezoidal structure.

[0012] Furthermore, the cross section of the energy absorption box is an isosceles trapezoidal structure.

[0013] Furthermore, the energy absorption box includes an energy absorption box body, which is a trapezoidal structure; the left and right side surfaces of the energy absorption box are energy absorption box inclined surfaces, and the front and rear side surfaces of the energy absorption box are energy absorption box self-welding surfaces.

[0014] Correspondingly, in combination with the above solution, the utility model also provides a car, including an energy absorbing structure; the energy absorbing structure is the energy absorbing structure for improving the side impact resistance of the car as described above.

[0015] The solution provided by the utility model is that the energy absorption box is installed and fixed in the cavity at the lower part of the door ring inside the side column of the vehicle body by spot welding, and a plurality of energy absorption box partitions are arranged inside the energy absorption box, which solves the problem of insufficient collision resistance strength of the side column of the vehicle body and improves the commonality of automobile parts. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The utility model is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0017] The utility model will be further described below in conjunction with the accompanying drawings:

[0018] Figure 1 This is a schematic diagram of the installation structure of the energy absorption box of the utility model;

[0019] Figure 2 This is a schematic diagram of the structure of the energy absorption box of the utility model;

[0020] Figure 3 This is a schematic diagram of the energy absorption box partition structure of the utility model.

[0021] In the figure: 1. inner door ring; 2. energy absorption box; 21. top surface; 211. sunken surface; 22. inclined vertical surface of energy absorption box; 23. self-welding surface of energy absorption box; 24. welding edge of energy absorption box; 3. energy absorption box partition; 31. partition plane; 311. plane sinking hole; 32. partition welding edge. DETAILED DESCRIPTION

[0022] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0023] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

[0024] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "multiple" is two or more, unless otherwise clearly and specifically defined. The meaning of "several" is one or more, unless otherwise clearly and specifically defined.

[0025] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0026] In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0027] like Figures 1 to 3As shown, the utility model provides an energy absorbing structure for improving the side impact resistance of an automobile, which can be used to enhance the impact resistance of the side of an automobile and improve the impact resistance performance; specifically, the energy absorbing structure comprises a door inner ring 1 and an energy absorbing box 2 of a side column of a vehicle body; wherein the energy absorbing box 2 is fixedly installed in a cavity at the lower portion of the door inner ring 1; the energy absorbing box 2 is a box structure, and a cavity is formed inside; further, a plurality of energy absorbing box partitions 3 are fixedly connected at intervals in the cavity of the energy absorbing box 2, thereby improving the overall strength of the energy absorbing box 2; the energy absorbing structure for improving the side impact resistance of an automobile provided by the utility model, according to the problem of insufficient impact resistance against a side column of a vehicle body, provides an energy absorbing box with a long strip structure, and the energy absorbing box is installed in the cavity at the lower portion of the inner ring of a side door of the vehicle; while improving the side impact resistance of the vehicle body, adaptive adjustments can be made for different lower vehicle bodies, so as to solve the problem of insufficient strength of impact resistance against a side column of the vehicle body, and improve the commonality of automobile parts.

[0028] Preferably, in combination with the above scheme, Figures 1 to 3 As shown, in the present embodiment: the energy absorption box 2 comprises an energy absorption box body, which is a long metal box structure, and the structural length of the energy absorption box 2 can be set according to the strength requirement of the side of the car; further, an opening is formed on the bottom surface of the energy absorption box body; specifically, an energy absorption box welding edge 24 is formed by bending on the side surface of the opening, and the energy absorption box body is spot-welded to the cavity at the lower part of the door inner ring 1 through the energy absorption box welding edge 24.

[0029] Preferably, in combination with the above scheme, Figures 1 to 3 As shown, the opening of the bottom surface of the energy absorption box 2 is a quadrilateral structure, and the four sides of the opening are bent to form energy absorption box welding edges 24. Specifically, the energy absorption box welding edges 24 are parallel to the top surface 21 of the energy absorption box body.

[0030] Preferably, in combination with the above scheme, Figures 1 to 3 As shown, the top surface 21 of the energy absorption box body is formed with a sunken surface 211, and the sunken surface 211 sinks into the cavity of the energy absorption box 2. Its main function is to facilitate welding with the internal energy absorption box partition and to enhance the bending resistance of the long strip energy absorption box 2 structure; specifically, the bottom surface of the energy absorption box partition 3 is spot-welded to the inner side surface of the sunken surface 211, and the two side surfaces of the energy absorption box partition 3 are spot-welded to the two sides of the energy absorption box 2 cavity respectively.

[0031] Preferably, in combination with the above scheme, Figures 1 to 3As shown, the energy absorption box baffle 3 includes a baffle plane 31, and the baffle plane 31 is a quadrilateral structure; the three sides of the baffle plane 31 are bent to the same side to form a baffle welding edge 32; the energy absorption box baffle 3 is spot-welded to the inner side of the sunken surface 211 through the baffle welding edge 32 on its bottom surface, and the energy absorption box baffle 3 is spot-welded to the two side surfaces of the energy absorption box 2 cavity through the baffle welding edges 32 on its left and right sides, that is, the four side surfaces of the bottom opening of the energy absorption box body extend in four directions to form energy absorption box welding edges 24, and the energy absorption box welding edges 24 are parallel to the top surface of the energy absorption box; the energy absorption box welding edges 24 on the four sides are spot-welded to the inner door ring 1, so that the energy absorption structure is installed and fixed on the vehicle body, thereby improving the collision resistance of the side of the vehicle.

[0032] Preferably, in combination with the above scheme, Figures 1 to 3 As shown, a planar sinking hole 311 is integrally formed in the middle position of the partition plane 31; specifically, the partition plane 31 is an equilateral trapezoid, and a square planar sinking hole 311 is provided on the partition plane 31, which reduces the weight while improving the strength of the partition.

[0033] Preferably, in combination with the above scheme, Figures 1 to 3 As shown, the partition welding edges 32 on three sides of the partition plane 31 are respectively perpendicular to the partition plane 31, and the partition plane 31 is an isosceles trapezoidal structure; specifically, a plurality of energy absorption box partitions are arranged inside the energy absorption box body, and the number and position of the partitions can be arranged according to the strength requirement of the side impact resistance of the vehicle body.

[0034] Preferably, in combination with the above scheme, Figures 1 to 3 As shown, the cross section of the energy absorption box 2 is an isosceles trapezoidal structure.

[0035] Preferably, in combination with the above scheme, Figures 1 to 3 As shown, the energy absorption box 2 includes an energy absorption box body, which has a trapezoidal structure; the left and right side surfaces of the energy absorption box 2 are energy absorption box inclined surfaces 22, and the front and rear side surfaces of the energy absorption box 2 are energy absorption box self-welding surfaces 23; specifically, the two side surfaces of the long side of the energy absorption box body are energy absorption box inclined surfaces 22, and the two side surfaces of the wide side of the energy absorption box body are energy absorption box self-welding surfaces 23, and they are respectively connected by spot welding to form a long strip box structure; the four side surfaces of the energy absorption box body are not perpendicular to the top surface of the energy absorption box, so that the cross-section of the entire energy absorption box body is an isosceles trapezoidal structure.

[0036] Accordingly, combined with the above scheme, Figures 1 to 3As shown, the utility model also provides an automobile, including an energy absorption structure; the energy absorption structure is the above-mentioned energy absorption structure for improving the side impact resistance of the automobile; specifically, the automobile provided by the utility model is a new energy automobile, which adopts the above-mentioned energy absorption structure for improving the side impact resistance of the automobile, and the energy absorption box is installed in the cavity at the lower part of the inner ring of the side door of the automobile, thereby improving the structural strength of the side column of the automobile, so that the battery cells of the automobile battery pack are not squeezed, reducing the cost and weight of the new energy automobile, and improving the endurance.

[0037] The solution provided by the utility model is that the energy absorption box is installed and fixed in the cavity at the lower part of the door ring inside the side column of the vehicle body by spot welding, and a plurality of energy absorption box partitions are arranged inside the energy absorption box, which solves the problem of insufficient collision resistance strength of the side column of the vehicle body and improves the commonality of automobile parts.

[0038] The above is only a preferred embodiment of the utility model, and does not limit the utility model in any form. Any technician familiar with the field can make many possible changes and modifications to the technical solution of the utility model by using the above-mentioned technical content without departing from the scope of the technical solution of the utility model, or modify it into an equivalent embodiment of equivalent changes. Therefore, any changes, modifications, equivalent changes and modifications made to the above embodiments based on the technology of the utility model without departing from the content of the technical solution of the utility model shall fall within the protection scope of the technical solution of the utility model.

Claims

1. An energy absorbing structure for improving the side impact resistance of a vehicle, characterized in that: The energy absorption structure comprises a door inner ring (1) of a vehicle body side column and an energy absorption box (2); the energy absorption box (2) is fixedly installed in a cavity at the lower part of the door inner ring (1); the energy absorption box (2) is a box structure and has a cavity formed therein; a plurality of energy absorption box partitions (3) are fixedly connected at intervals in the cavity of the energy absorption box (2); the energy absorption box (2) comprises an energy absorption box body, which is a long strip-shaped metal box structure; an opening is formed on the bottom surface of the energy absorption box body; an energy absorption box welding edge (24) is formed on the side surface of the opening; the energy absorption box body is spot-welded to the cavity at the lower part of the door inner ring (1) through the energy absorption box welding edge (24).

2. The energy absorbing structure for improving the side impact resistance of an automobile according to claim 1, characterized in that: The opening is a quadrilateral structure; the four sides of the opening are respectively bent to form the energy absorption box welding edge (24), and the energy absorption box welding edge (24) is parallel to the top surface (21) of the energy absorption box body.

3. The energy absorbing structure for improving the side impact resistance of an automobile according to claim 1, characterized in that: The top surface (21) of the energy absorption box body is formed with a sinking surface (211); the sinking surface (211) sinks into the cavity of the energy absorption box (2); the bottom surface of the energy absorption box partition (3) is spot-welded to the inner side surface of the sinking surface (211), and the two side surfaces of the energy absorption box partition (3) are spot-welded to the two sides of the cavity of the energy absorption box (2) respectively.

4. The energy absorbing structure for improving the side impact resistance of an automobile according to claim 3, characterized in that: The energy absorption box partition (3) comprises a partition plane (31), and the partition plane (31) is a quadrilateral structure; three sides of the partition plane (31) are respectively bent toward the same side to form a partition welding edge (32); the energy absorption box partition (3) is spot-welded to the inner side surface of the sunken surface (211) via the partition welding edge (32) on the bottom surface thereof, and the energy absorption box partition (3) is spot-welded to the two side surfaces of the cavity of the energy absorption box (2) via the partition welding edges (32) on the left and right side surfaces thereof.

5. The energy absorbing structure for improving the side impact resistance of an automobile according to claim 4, characterized in that: A planar sinking hole (311) is also integrally formed at the middle position of the partition plane (31).

6. The energy absorbing structure for improving the side impact resistance of an automobile according to claim 4, characterized in that: The partition welding edges (32) on three sides of the partition plane (31) are respectively perpendicular to the partition plane (31); and the partition plane (31) is an isosceles trapezoidal structure.

7. The energy absorbing structure for improving the side impact resistance of an automobile according to claim 1, characterized in that: The cross section of the energy absorption box (2) is an isosceles trapezoidal structure.

8. The energy absorbing structure for improving the side impact resistance of an automobile according to claim 1, characterized in that: The energy absorption box (2) comprises an energy absorption box body, which is a trapezoidal structure; the left and right side surfaces of the energy absorption box (2) are energy absorption box inclined surfaces (22), and the front and rear side surfaces of the energy absorption box (2) are energy absorption box self-welding surfaces (23).

9. An automobile, comprising an energy absorbing structure; characterized in that: The energy absorbing structure is the energy absorbing structure for improving the side impact resistance of the automobile as described in any one of claims 1 to 8 above.

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